3 years ago

Not multiple choice. (Stats)

Mathematics

1 answer:

Pavlova-9 [17]3 years ago

7 0

Answer:

Did you try picto math?

Step-by-step explanation:

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Jerry was counting the money he received for his birthday from his auntie he receive nine dollars from his uncle he receive nine

AysviL [449]

Answer:

Mean = (9+9+22+23+22+22+7) ÷ 7 = 10

In Order: 7 9 9 22 22 22 23

Median = 22

Mode = 22

Step-by-step explanation:

4 0

3 years ago

88.1-2.3f=72.46 how do you find f

V125BC [204]

Answer: f = 6.8

Step-by-step explanation:

88.1 - 2.3f = 72.46

First, subtract 88.1 from both sides

-2.3f = -15.64

Divide each side by -2.3

f = 6.8

3 0

3 years ago

Read 2 more answers

Find dy/dx. if y = 8u - 6 and u = 3x - 8.

Dmitriy789 [7]

Use the chain rule:

$\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{\mathrm dy}{\mathrm du}\dfrac{\mathrm du}{\mathrm dx}$

We have

$y=8u-6\implies\dfrac{\mathrm dy}{\mathrm du}=8$

$u=3x-8\implies\dfrac{\mathrm du}{\mathrm dx}=3$

so we get

$\dfrac{\mathrm dy}{\mathrm dx}=8\cdot3=\boxed{24}$

Alternatively, you can substitute u in the definition of y and differentiate with respect to x :

$y=8u-6=8(3x-8)=24x-64\implies\dfrac{\mathrm dy}{\mathrm dx}=24$

7 0

3 years ago

Determine whether quantities vary directly or inversely and find the constant of variation. A mill processes 27 tons of flour in

amid [387]

T = kh where t = tons and h = hours, k is the constant of variation

This is direct variation.

27 = k*3

= 27/3 = 9

Equation of variation is t = 9h

Amount produced in 8 hours t = 9*8 = 72 tons Answer

4 0

3 years ago

Rotate shape A 90° clockwise with centre of rotation (0,0).

Andreyy89

Answer:

(2,4)====(-4,2)

(4,3)===(-3,4)

(2,3)====(-3,2)

5 0

2 years ago